diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.14/950-0215-ASoC-iqaudio-dac-fix-S24_LE-format.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.14/950-0215-ASoC-iqaudio-dac-fix-S24_LE-format.patch | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.14/950-0215-ASoC-iqaudio-dac-fix-S24_LE-format.patch b/target/linux/brcm2708/patches-4.14/950-0215-ASoC-iqaudio-dac-fix-S24_LE-format.patch new file mode 100644 index 0000000000..d569d4f78f --- /dev/null +++ b/target/linux/brcm2708/patches-4.14/950-0215-ASoC-iqaudio-dac-fix-S24_LE-format.patch @@ -0,0 +1,54 @@ +From 7e9c82c499592f518e45cf9d049529470971dac7 Mon Sep 17 00:00:00 2001 +From: Matthias Reichl <hias@horus.com> +Date: Fri, 2 Feb 2018 20:30:42 +0100 +Subject: [PATCH 215/454] ASoC: iqaudio-dac: fix S24_LE format + +Remove set_bclk_ratio call so 24-bit data is transmitted in +24 bclk cycles. + +Signed-off-by: Matthias Reichl <hias@horus.com> +--- + sound/soc/bcm/iqaudio-dac.c | 18 ------------------ + 1 file changed, 18 deletions(-) + +--- a/sound/soc/bcm/iqaudio-dac.c ++++ b/sound/soc/bcm/iqaudio-dac.c +@@ -43,18 +43,6 @@ static int snd_rpi_iqaudio_dac_init(stru + return 0; + } + +-static int snd_rpi_iqaudio_dac_hw_params(struct snd_pcm_substream *substream, +- struct snd_pcm_hw_params *params) +-{ +- struct snd_soc_pcm_runtime *rtd = substream->private_data; +- struct snd_soc_dai *cpu_dai = rtd->cpu_dai; +- +- unsigned int sample_bits = +- snd_pcm_format_physical_width(params_format(params)); +- +- return snd_soc_dai_set_bclk_ratio(cpu_dai, sample_bits * 2); +-} +- + static void snd_rpi_iqaudio_gpio_mute(struct snd_soc_card *card) + { + if (mute_gpio) { +@@ -109,11 +97,6 @@ static int snd_rpi_iqaudio_set_bias_leve + return 0; + } + +-/* machine stream operations */ +-static struct snd_soc_ops snd_rpi_iqaudio_dac_ops = { +- .hw_params = snd_rpi_iqaudio_dac_hw_params, +-}; +- + static struct snd_soc_dai_link snd_rpi_iqaudio_dac_dai[] = { + { + .cpu_dai_name = "bcm2708-i2s.0", +@@ -122,7 +105,6 @@ static struct snd_soc_dai_link snd_rpi_i + .codec_name = "pcm512x.1-004c", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS, +- .ops = &snd_rpi_iqaudio_dac_ops, + .init = snd_rpi_iqaudio_dac_init, + }, + }; |